Senior Software Engineer

Alipes ApS; København; Hybrid; DKK 700,000 - 900,000; Full time

Benefits offered by this job

Pension

Health insurance

30 days vacation

Hybrid work model

Flat hierarchy

Room for creativity

Team events

Job summary

Alipes ApS is seeking a skilled C# software engineer to join a team building in-house financial software. You will implement, verify and optimize trading algorithms, and create infrastructure to analyze and run them, while improving automated monitoring.

You will collaborate with quantitative analysts and traders to bridge research and production, tackle performance issues, and work in a flexible hybrid environment with ownership and influence on the team’s direction.

Qualifications

• 3+ years of experience with C#
• Working knowledge of (T-)SQL
• Strong understanding of algorithms and data structures
• A scientific and inquisitive mind

Responsibilities

• Implement, verify and optimize financial algorithms
• Create infrastructure to support analysis of new algorithms and execution of existing ones
• Improve automated monitoring of the algorithms
• Tackle performance issues such as GC, networking and parallelization to keep trading ahead of the market

Skills

C# development

SQL knowledge

Algorithms & data structures

Scientific mindset

Education

PhD or MSc in Computer Science or equivalent

Tools

SQL Server

Job description

Are you passionate about building business-critical trading software where every microsecond counts? Do you thrive in an environment that values code quality and collaboration with talented peers? If so, Alipes Capital could be the perfect place for you.

About the Role

At Alipes, you will be part of a team developing in-house financial software in C#, where you will:

• Implement, verify and optimize financial algorithms

• Create infrastructure to support analysis of new algorithms and execution of the existing ones

• Improve automated monitoring of the algorithms

In doing so you will get a chance to tackle a variety of performance problems, such GC, networking and parallelization, ensuring that we are trading leaders in the market.

You will get instant validation of your work and experience short feedback cycles, where going from inception to deployment can be a matter of hours. There will be no red tape to cut and no sales people to consult.

About the Team

We’re a growing team of 25 software engineerswho are passionate about what we do. You’ll be working in an informal environment where technical discussions are valued, and you’re encouraged to take ownership and pride in your work. You’ll have real influence on the team’s direction, set your own priorities, and choose the tools that get the job done.
We work closely with our quantitative analysts and traders, collaborating daily to bridge the gap between research and production. This cross-functional setup means you’ll have direct access to the people designing the models, allowing for rapid feedback, shared problem-solving, and a deeper understanding of the business logic behind the code.

About You

• At least 3 years of experience with C#

• Working knowledge of (T-)SQL

• A good understanding of algorithms and data structures and when to apply them

• A scientific and inquisitive mind

Nice to have

• Experience working with low latency systems

• Proficiency in languages like C, C++, Python or Matlab

• Knowledge of SQL Server tuning and administration

• PhD or MSc in Computer Science or equivalent

What we can Offer You

• Competitive benefits, including pension, health insurance, and 30 days of vacation.

• A modern, harbour front office in Copenhagen (Nordhavn) with a flexible hybrid work model.

• A flat hierarchy with high levels of trust, autonomy, and freedom to make decisions.

• A valued role with unique responsibilities and plenty of room for creativity.

• Fast feedback and recognition of your contributions in a high-growth company.

• Strong team spirit - successes are celebrated with company events and trips.

Practicalities

Interviews will take place in Week 47 and 48.

If it was less than 4 years since you finished university, please attach your university transcripts to your application.

Deadline

November 8th, 2026